in all, three power brokers from southern afghanistan have been murdered this month. >>> at least five people were killed and more than 20 others injured when two bombs exploded in the iraqi city of tikrit this morning. it was the hometown of former dictator saddam hussein. experts believe sunni muslims with ties to al-qaeda are responsible for the attack. >>> the international space station is going to come crashing into earth in about 10 to 15 years. that is about how much longer useful life it has. nasa says the plan is always been to let it fall out of orbit, burn up, and then crash into the pacific. >>> coming up next, howard and the forecast. >> a lot warmer, a lot more humid than what we had the last couple days. and tomorrow could be a record breaker. allergy numbers have gone on the right direction. they have dropped. check this out. tree pollen is low, weeds moderate and mold is low. i'll be back with your 7-day forecast and a cute cocker spaniel when we return. >>> we have a health alert because a new study says cell phone use does not increase the risk of brain cancer in ch